2240533 has 2 divisors, whose sum is σ = 2240534. Its totient is φ = 2240532.

The previous prime is 2240531. The next prime is 2240551. The reversal of 2240533 is 3350422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1800964 + 439569 = 1342^2 + 663^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240533 - 2¹ = 2240531 is a prime.

Together with 2240531, it forms a pair of twin primes.

It is an Ulam number.

2240533 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120266 + 1120267.

It is an arithmetic number, because the mean of its divisors is an integer number (1120267).

2^2240533 is an apocalyptic number.

It is an amenable number.

2240533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240533 is an equidigital number, since it uses as much as digits as its factorization.

2240533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 2240533 is about 1496.8410069209. The cubic root of 2240533 is about 130.8530294318.

Adding to 2240533 its reverse (3350422), we get a palindrome (5590955).

The spelling of 2240533 in words is "two million, two hundred forty thousand, five hundred thirty-three".